ellen and tasha took a long bicycle trip last weekend.they rode the first 10 miles at a rate of 12 miles per hour. They realized they had to go faster to get to their destination before dark. So they sped up for the last 12 miles of the trip. The entire trip took 1 hour and 20 minutes. At what rate did they travel the last 12 miles? As mile per hours.

Answers

Answer 1
So, if we know that they rode the first 10 miles at the rate of 12 miles per hour, we know that they rode the first part in 50 minutes (10/12*60=50). This leaves half an hour to ride the next 12 miles. 12/(1/2)=24. So, if I didn't mess anything up, they should have traveled the last part at twice their initial speed, at 24 miles per hour.

Related Questions

how do i translate this?

Answers

To translate the points, move each point making up the triangle 3 units up the y-axis and 4 units to the left of the x-axis as the directions say. 

help me with question 2 plss

Answers

i cannot do this because it wont let me look at the attachment i am sorry
[tex]\frac{p^{3 \cdot 4}}{q^4} \times \frac{9q^{4\cdot2}}{p^{3\cdot2}} = \frac{p^{12}}{q^4} \times \frac{9q^{8}}{p^{6}} = {p^{12-6}} \times 9q^{8-4}}} = 9p^6q^4[/tex]

mx+nx=p solve for x please

Answers

x(m+n) = p
x = p/(m+n)

Hope this helps!

Letters a, b, c, and d are angle measures. Which should equal 105° to prove that f ∥ g?

Answers

The Answer is Option D, which is d.

If f is parallel to g, then c should equal 75 degrees because c and 75 degrees are vertical angles. If C is 75 degrees then D must equal 105 degrees because c and d are both on the left side of line f which means they must add up to 180 degrees, which should get you to this equation: c + d = 180. We can replace c for 75 because we already known that, which should get you: 75 + d = 180. So you should then subtract 75 against 180 to get your answer: d = 105.


Hope this helps, Have a good day!


A Brainliest would be nice.

Final answer:

The question likely pertains to the geometry principle of parallel lines and transversals. To determine which angle would need to measure 105° for line f to be parallel to line g, we'd need more context or a diagram. Typically, congruent corresponding or alternate angles would indicate parallel lines.

Explanation:

This question appears to be related to parallel lines and transversals in geometry. However, without a clear diagram or proper context, it's hard to definitively state which angle should be 105° to prove that f is parallel to g. Typically, corresponding angles, alternate interior angles, or alternate exterior angles are congruent (equal) when two lines are parallel and cut by a transversal. For instance, if 'a' and 'b' form corresponding angles with the transversal, and angle 'a' is given as 105°, then angle 'b' would also be 105° for the lines to be parallel. This corresponds to the angle properties of parallel lines.

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You invest $2,000 in an account that is compounded annually at an interest rate of 5%. You never withdraw money from the account. How much money will be in the account after 4 years?


I need to know asap.

Answers

In four years you will have $2,400
4 years = 2,400
Sorry if I'm wrong
Good luck!

simplify (a+3)(a-2) I need to show my work...thanks!

Answers

(a+3)(a-2)
a^2-2a+3a-6
a^2+1a-6
^ = the exponent so if i have a^2 that is a squared. a^3 is a cubed. 
a^2 - 2a + 3a - 6 because a*a = a^2, a*-2 = -2a, 3*a = 3a, and 3*-2 = -6. 
a^2 + a - 6 because of combining like terms. 

What mathematical operation "attaches" r and t in this formula:

d = rt


AND


What operation undoes the operation that "attaches" r and t?

Answers

Multiplication.
d=rt is d= r x t or d=r*t or d equals r times t.
The opposite of multiplication is division so the operation that would undo it would be division

The multiplication operation  "attaches" r and t in this formula and division will undo the operation.

What is the arithmetic operator?

Arithmetic operators are four basic mathematical operations in which summation, subtraction, division, and multiplication involve.,

Summation = addition of two or more numbers or variable

For example = 2 + 8 + 9

Subtraction = Minus of any two or more numbers with each other called subtraction.

For example = 4 - 8

Division = divide any two numbers or variable called division.

For example 4/8

Multiplication = to multiply any two or more numbers or variables called multiplication.

For example 5 × 7.

Given the expression,

d = rt

Now rt is the multiplication of r and t it that r × t = rt so by multiplication its attaches.

Now in order to separate both.

Divide by r or t ⇒ d/r = t or d/t = r

Hence "The multiplication operation  "attaches" r and t in this formula and division will undo the operation".

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savannah is painting a striped background for a mural on a wall that is 15 yards long. she wants a total of 96 stripes that’s are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Answers

Answer: D

15/1 x 1/96 x 36/1 =5.625

Final answer:

To determine the width of each stripe, Savannah needs to divide the total length of the wall by the number of stripes she wants.

Explanation:

To determine the width of each stripe, Savannah needs to divide the total length of the wall by the number of stripes she wants. In this case, the wall is 15 yards long and she wants 96 stripes. So, she should use the calculation 15 yards / 96 stripes = 0.15625 yards. Therefore, each stripe should be approximately 0.15625 yards wide.

y=x+2
and then you have x=-3


You also have to use transitive property

Answers

If y = x+2 and x = -3 then we can say that y = -3+2 after replacing the 'x' with -3

From here, we just add -3 and 2 to get -1 which is why y = -3+2 turns into y = -1

So together x = -3 and y = -1

They pair up to form (x,y) = (-3,-1)

is 1/5 bigger than 20 and 20.6?

Answers

Answer: "No"; and "no".

"1/5"  is smaller than "20" and" "20.6".
________________________________
Note: "1/5" = "0.8";  which is MUCH smaller than "20" and "20.6".
______________________________________________________

Is 3/6 grater then 1/8

Answers

True

3/6 = 0,5

1/8 = 0,125

0,5 > 0,125

Answer: 1/6  1/8


Step-by-step explanation:


Jinni opened a bank account. She deposited $87.60 into her account every month for 10 months. She used $25.60 every month to pay for music classes. After 10 months, she used 1 over 4 of the total money left in her account to go to a summer camp for musicians. What is the total amount of money Jinni spent to go to the summer camp? $64.00 $88.00 $155.00 $620.00.Please help I am on a time limit!!!!

Answers

You want to multiply 87.60 and 25.60 by 10. 87.60x10=876. 25.60x10=256.876-256=620. Then you will take 1/4 of 620 to get the answer 155 is what she paid for lessons.

Answer:

$155.00

Step-by-step explanation:

Jinni deposited $87.60 every month for 10 months, this represents a total of

[tex]\$87.60(10)=\$876[/tex]

But, she used $25.60 every month to pay for music classes, the total money spent is

[tex]\$25.60(10)=\$256[/tex]

So, she has in her bank account

[tex]\$876 - \$256 = \$620[/tex]

Then, she uses 1/4 of the total money left ($620) to go to a summer camp, which is

[tex]\frac{1}{4}(\$620)=\$155[/tex]

Therefore, she spent $155 to go to the summer camp. So, the right answer is the third option.

What is 1/2 x 1/3 in not simplest form and in simplest form

Answers

3/6×2/6
= 6/6 not simplified
=1 simplified
To multiply fractions, just multiply across the fraction bar
[tex] \frac{1}{2} [/tex]·[tex] \frac{1}{3} [/tex]=[tex] \frac{1}{6} [/tex]
This already being in simplest form

~I hope this helps~

General Product Inc. distributed 100 million coupons in 2016. The coupons are redeemable for 30 cents each. General anticipates that 70% of the coupons will be redeemed. The coupons expire on December 31, 2017. There were 45 million coupons redeemed in 2016 and 30 million redeemed in 2017. What was General's coupon promotional expense in 2017?

Answers

Hello,

We want to find out the value of all the coupons redeemed in 2017. If there were 30 million coupons redeemed in 2017 and each coupon is worth 30 cents, we multiply 30 million coupons and 0.30 dollars to get the value of coupons. (We use 0.30 dollars as multiplying by 30 will give us the amount in cents, not dollars)

So, we have:
30,000,000 * 0.30 = 9,000,000

General's coupon promotional expense in 2017 is 9 million dollars.

Hope this helps!

Very small numbers are often written in exponential form using scientific notation to make them easier to multiply or divide. Explain how to apply the laws of exponents when multiplying and dividing numbers written in scientific notation.

Please give a detailed and accurate explanation that demonstrates a full understanding. Thanks for any help. :)

Answers

The laws of exponents that are applied in standard form are:

[tex]x^m*x^n=x^{m+n}[/tex]
[tex] \frac{x^m}{x^n} =x^{m-n}[/tex]

Example 1:
(6.25 × 10⁴) × (2.53 × 10⁻⁹)
(6.25×2.53) × (10⁴×10⁻⁹)
15.8125 × 10⁽⁴ ⁺ ⁻⁹⁾
15.8125×10⁻⁵

Example 2:
(3.65×10⁵) ÷ (1.45×10⁻²) 
(3.65÷1.45) × (10⁵÷10⁻²)
2.52×10⁽⁵ ⁻ ⁽⁻²⁾⁾
2.52×10⁵⁺²
2.52×10⁷

Factor x2 + 4x + 4! Please help!

Answers

This is a whole squared equation. So, it is (x+2)^2.
If you check it, you get x2 + 4x + 4

Hope this helps!
The answer should be (x + 2)^2 because when factoring using grouping, you can rid of two x's from the first two terms, and you can factor 4 into 2 * 2. Factoring the first two terms rids of the first and leaves two x's in the second. You can check if i'm right by multiplying (x + 2) (x + 2). This should give x^2 + 2x + 2x + 4. Simplyify this into x^2 + 4x + 4 by combining like terms. Hope this helps. 

The balance in two separate bank accounts grows each month at different rates. The growth rates for both accounts are represented by the functions f(x) = 2x and g(x) = 4x + 12. In what month is the f(x) balance greater than the g(x) balance?

Answers

that would be 42(x) greater than 809(x)

what characteristics make Ur an advanced city?

Answers

Well, how ur is a wealthy city they worshipped many gods, and that's where the prophet Abraham lived

Diana has z gerbils. Jackie has 4 times as many gerbils as Diana. If w stands for the number of gerbils Jackie has, express w in terms of z, and state the independent and e dependent variables in the equation.

Answers

Gerbils Diana has = z

Gerbils Jackie has = 4z = w

Hence, w = 4z

Independent Variable is a variable that stands alone and isn't changed by the other variables you are trying to measure.

Hence, the independent variable is z here.

Dependent Variable is something that depends on other factors. 

Hence, the dependent variable is w here.


Dina =z gerbils
Jacki =4z
W = 4z
Independent:z
Dependeny:w

The temperature in Jonestown and Cooperville was the same at 1:00. By 2:00, the temperature in Jonestown dropped 10 degrees, and the temperature in cooperville dropped 6 degrees. By 3:00 the temperature in Jonestown dropped 8 more degrees, and the temperature in coopervi dropped 2 more degrees.

Answers

Final answer:

The subject of this question is Physics as it involves the concept of temperature and the change in temperature over time.

Explanation:

The subject of this question is Physics as it involves the concept of temperature and the change in temperature over time.

Step 1: At 1:00, the temperature in Jonestown and Cooperville was the same.

Step 2: By 2:00, the temperature in Jonestown dropped 10 degrees and the temperature in Cooperville dropped 6 degrees.

Step 3: By 3:00, the temperature in Jonestown dropped an additional 8 degrees and the temperature in Cooperville dropped an additional 2 degrees.

Therefore, the subject of this question is Physics and the grade is High School.

21=cd+e solve for d ( please help!!)

Answers

[tex]21=cd+e \ \ \ \to \ \ \ 21-e=cd \ \ \ \to \ \ \ d= \cfrac{21-e}{c} [/tex]
Here's the answer in more detail.

HELP MEH, PLEASE. :3

1. c = x + h, solve for x
2. gh = w, solve for h
3. a - b = k, solve for a
4. r ÷ k = w, solve for r

Please HELP!!
WOULD THEY STAY THE SAME?
THANK YOU!! :)

Answers

I hope I help you ^^....

insert commas in the following numbers 13886 365 719463 40047209 2145739180 1783457

Answers

13,886
365
719,463
40,047,209
2,145,739,180
1,783,457
Number 1: 13,886
Number 2: 365
Number 3: 719,463
Number 4: 40,047,209
Number 5: 2,145,739,180
Number 6: 1,783,457

Which ratio forms a proportion with 25/35

Answers

25:35

25/5:35/5

5:7

your ratio is 5:7

hope this helps

A 20-minute TV program consists of two commercials, each 1 3/4 minutes long, and three equal‐length entertainment segments. How long is each entertainment segment?

Answers

Final answer:

To find the length of each of the three entertainment segments in a 20-minute TV program with commercials, we subtract the total time of the commercials from the total time of the program and divide the remaining time by the number of segments. This gives a length of 5.5 minutes for each segment.

Explanation:

To determine the length of each entertainment segment in this 20-minute TV program, we first need to subtract the total length of the commercials from the overall program length. The two commercials, each 1 3/4 minutes long, add up to 3 1/2 minutes.

20 minutes (total program length) - 3.5 minutes (total commercial time) = 16.5 minutes left for the entertainment segments.

As there are three equal‐length entertainment segments, we simply divide the remaining time by the number of segments:

16.5 minutes / 3 = 5.5 minutes.

Therefore, each entertainment segment is 5.5 minutes long.

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Final answer:

Each entertainment segment is 5.5 minutes long.

Explanation:

To find the length of each entertainment segment, we need to subtract the total time of the commercials from the total duration of the TV program.

The total time of the commercials is given as 1 3/4 minutes each, which is equivalent to 7/4 minutes each.

So, the total time of the commercials is 2 * 7/4 = 14/4 = 3.5 minutes.

Since we know that the TV program is 20 minutes long, the total time of the entertainment segments can be found by subtracting the time of the commercials from the total duration: 20 - 3.5 = 16.5 minutes.

Since there are three equal-length entertainment segments, we can divide the total time of the entertainment segments by 3: 16.5 / 3 = 5.5 minutes.

Therefore, each entertainment segment is 5.5 minutes long.

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The quotient of 4/7  is a decimal number. How many digits in the quotient are overlined?

Answers

6 digits are overlined because the repeating numbers after the decimal is 571428.
she is right 6 digits

Find the quotient: 18,198 / 27 518 608 674 689

Answers

Final answer:

The quotient of dividing 18,198 by 27 is 674, as 27 times 674 equals 18,198, leaving no remainder.

Explanation:

The student has asked to find the quotient of the division of 18,198 by 27. To find the quotient, one would typically use long division. After setting up the long division, it turns out that 27 can be divided into 18,198 exactly 674 times, because 27 times 674 equals 18,198.

To solve this, you would write 18,198 as the dividend and 27 as the divisor. Then you would see how many times 27 can go into 181 (the first three digits of 18,198), which is 6 (since 27 x 6 = 162). You write the 6 above the third digit of 18,198, subtract 162 from 181, and bring down the next digit from the dividend, which is 9, making 198. Now you find how many times 27 can go into 198, which is 7 times exactly since 27 x 7 gives you 189. Subtract 189 from 198, and the result is 9, bringing down the last digit 8 to get 98. Finally, you divide 27 into 98 which is 3 times (since 27 x 3 = 81), subtract 81 from 98 to get 17. Since there are no more digits to bring down, we are left with a remainder of 17. Therefore, the quotient is 673 and the remainder is 17.

The width of a rectangle is 3 inches less than twice the length. If the length of the rectangle is represented by L, write an algebraic expression to represent the width.

Answers

2L - 3 = Width
so if Width = w
w = 2L - 3

Hank bought 2.4 pounds of apples. Each pound cost $1.89. How much did hank spend on the apples?

Answers

Hank spent $4.536 in all on apples!
1 lb      = $1.84
2.4 lbs = x amount of $

multiply 2.4 by 1.84 and you should get the correct answer. key word should, I haven't done problems like these in forever, so check it to make sure

a package of 5 pairs of insulated socks costs $41.45. What is the unit price..... how would I do the math

Answers

You would divide 41.45 by 5 and the answer would be 8.29

Final answer:

The unit price for the insulated socks is found by dividing the total cost of the package, $41.45, by the number of pairs, which is 5. The unit price per pair of insulated socks is $8.29.

Explanation:

To calculate the unit price of the insulated socks, you would divide the total cost of the package by the total number of pairs in the package. Since the package contains 5 pairs and costs $41.45, you would perform the following calculation:

Identify the total cost of the package: $41.45.

Identify the number of pairs in the package: 5 pairs.

Divide the total cost by the number of pairs to find the unit price: $41.45 ÷ 5 = $8.29 per pair.

Therefore, the unit price per pair of insulated socks is $8.29.

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